Question:

Driving ckt for 4 inch display

by Guest66518 | earlier

Dear sirs,I have designed a digital clock, which is constructed with 89c51 and DS1307, and uses four 7segment 0.5" display. It is working well. Now i am looking to use big display of 4" size. kindly help me to design a driving circuit for 4" display which need 12v segment voltage.

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